package com.jt.service.impl;

import com.jt.entity.Course;
import com.jt.service.CourseService;

import java.util.List;

public class CourseServiceImpl implements CourseService {


    @Override
    public Course queryById(Integer id) {
        return null;
    }

    @Override
    public List<Course> queryAll() {
        return null;
    }

    @Override
    public Integer save(Course course) {
        return null;
    }

    @Override
    public Integer updateStatus(Course course) {
        return null;
    }

    @Override
    public List<Course> queryByName(String sname) {
        return null;
    }

    @Override
    public Integer delete(Integer id, Integer status) {
        return null;
    }

    @Override
    public Integer add(Course course) {
        return null;
    }

    @Override
    public Integer update(Course course) {
        return null;
    }
}
